W32/Sobig.B@mm, a new worm spreading fast

19 May 2003

W32/Sobig.B@mm, also known as W32/Palyh@mm, W32/Emesache@mm, W32.HLLM.Ccn@mm and
W32.HLLW.Manx@mm, is a new mass mailer and worm, discovered on the 19th of May.
Its distribution has been tremendously fast, and has reached a geographically wide distribution
in a relatively short time period.